RHSA-2022:9082: Important: kpatch-patch security update

First published: Thu Dec 15 2022(Updated: )

This is a kernel live patch module which is automatically loaded by the RPM post-install script to modify the code of a running kernel.<br>Security Fix(es):<br><li> kernel: KVM: cmpxchg_gpte can write to pfns outside the userspace region (CVE-2022-1158)</li> <li> kernel: openvswitch: integer underflow leads to out-of-bounds write in reserve_sfa_size() (CVE-2022-2639)</li> <li> kernel: watch queue race condition can lead to privilege escalation (CVE-2022-2959)</li> <li> kernel: nfsd buffer overflow by RPC message over TCP with garbage data (CVE-2022-43945)</li> For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

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